38523377257911 has 256 divisors, whose sum is σ = 75617009664000. Its totient is φ = 18818501644800.

The previous prime is 38523377257861. The next prime is 38523377257913. The reversal of 38523377257911 is 11975277332583.

It is a happy number.

38523377257911 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 3 + 377 + 257 + 9 + 1 + 1 = 666.

It is not a de Polignac number, because 38523377257911 - 2²² = 38523373063607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38523377257913) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 372431946 + ... + 372535368.

It is an arithmetic number, because the mean of its divisors is an integer number (295378944000).

Almost surely, 2^{38523377257911} is an apocalyptic number.

38523377257911 is a deficient number, since it is larger than the sum of its proper divisors (37093632406089).

38523377257911 is a wasteful number, since it uses less digits than its factorization.

38523377257911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103651 (or 103645 counting only the distinct ones).

The product of its digits is 66679200, while the sum is 63.

The spelling of 38523377257911 in words is "thirty-eight trillion, five hundred twenty-three billion, three hundred seventy-seven million, two hundred fifty-seven thousand, nine hundred eleven".