621054111063051 has 12 divisors (see below), whose sum is σ = 897083389500480. Its totient is φ = 414033660622320.

The previous prime is 621054111062993. The next prime is 621054111063077. The reversal of 621054111063051 is 150360111450126.

621054111063051 is a `hidden beast` number, since 6 + 2 + 1 + 0 + 5 + 4 + 1 + 1 + 10 + 630 + 5 + 1 = 666.

It is not a de Polignac number, because 621054111063051 - 2³⁵ = 621019751324683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 621054111062997 and 621054111063015.

It is not an unprimeable number, because it can be changed into a prime (621054111062051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199487835 + ... + 202577156.

It is an arithmetic number, because the mean of its divisors is an integer number (74756949125040).

Almost surely, 2^{621054111063051} is an apocalyptic number.

621054111063051 is a deficient number, since it is larger than the sum of its proper divisors (276029278437429).

621054111063051 is a wasteful number, since it uses less digits than its factorization.

621054111063051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402236626 (or 402236623 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 621054111063051 in words is "six hundred twenty-one trillion, fifty-four billion, one hundred eleven million, sixty-three thousand, fifty-one".