155052575397 has 24 divisors (see below), whose sum is σ = 236585575200. Its totient is φ = 97581876768.

The previous prime is 155052575389. The next prime is 155052575417. The reversal of 155052575397 is 793575250551.

155052575397 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 52 + 57 + 539 + 7 = 666.

It is not a de Polignac number, because 155052575397 - 2³ = 155052575389 is a prime.

It is a super-2 number, since 2×155052575397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155052575357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1553622 + ... + 1650407.

It is an arithmetic number, because the mean of its divisors is an integer number (9857732300).

Almost surely, 2^155052575397 is an apocalyptic number.

It is an amenable number.

155052575397 is a deficient number, since it is larger than the sum of its proper divisors (81532999803).

155052575397 is a wasteful number, since it uses less digits than its factorization.

155052575397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204337 (or 3204334 counting only the distinct ones).

The product of its (nonzero) digits is 8268750, while the sum is 54.

The spelling of 155052575397 in words is "one hundred fifty-five billion, fifty-two million, five hundred seventy-five thousand, three hundred ninety-seven".