57621125519 has 2 divisors, whose sum is σ = 57621125520. Its totient is φ = 57621125518.

The previous prime is 57621125501. The next prime is 57621125537. The reversal of 57621125519 is 91552112675.

It is a balanced prime because it is at equal distance from previous prime (57621125501) and next prime (57621125537).

It is a cyclic number.

It is not a de Polignac number, because 57621125519 - 2¹² = 57621121423 is a prime.

It is a super-2 number, since 2×57621125519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57621125519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57621125539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28810562759 + 28810562760.

It is an arithmetic number, because the mean of its divisors is an integer number (28810562760).

Almost surely, 2^57621125519 is an apocalyptic number.

57621125519 is a deficient number, since it is larger than the sum of its proper divisors (1).

57621125519 is an equidigital number, since it uses as much as digits as its factorization.

57621125519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 44.

The spelling of 57621125519 in words is "fifty-seven billion, six hundred twenty-one million, one hundred twenty-five thousand, five hundred nineteen".