102152742057 has 16 divisors (see below), whose sum is σ = 152265852480. Its totient is φ = 67684022496.

The previous prime is 102152742023. The next prime is 102152742113. The reversal of 102152742057 is 750247251201.

102152742057 is a `hidden beast` number, since 10 + 215 + 2 + 7 + 420 + 5 + 7 = 666.

It is not a de Polignac number, because 102152742057 - 2¹² = 102152737961 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102152742457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11601228 + ... + 11610029.

It is an arithmetic number, because the mean of its divisors is an integer number (9516615780).

Almost surely, 2^102152742057 is an apocalyptic number.

It is an amenable number.

102152742057 is a deficient number, since it is larger than the sum of its proper divisors (50113110423).

102152742057 is a wasteful number, since it uses less digits than its factorization.

102152742057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23211429 (or 23211423 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

Adding to 102152742057 its reverse (750247251201), we get a palindrome (852399993258).

The spelling of 102152742057 in words is "one hundred two billion, one hundred fifty-two million, seven hundred forty-two thousand, fifty-seven".