621045141540126 has 16 divisors (see below), whose sum is σ = 1242537560853264. Its totient is φ = 206940500884544.

The previous prime is 621045141540107. The next prime is 621045141540137.

621045141540126 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18636555825 + ... + 18636589148.

It is an arithmetic number, because the mean of its divisors is an integer number (77658597553329).

Almost surely, 2^{621045141540126} is an apocalyptic number.

621045141540126 is an abundant number, since it is smaller than the sum of its proper divisors (621492419313138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621045141540126 is a wasteful number, since it uses less digits than its factorization.

621045141540126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37273147755.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 621045141540126 in words is "six hundred twenty-one trillion, forty-five billion, one hundred forty-one million, five hundred forty thousand, one hundred twenty-six".