157533365511 has 8 divisors (see below), whose sum is σ = 233382763760. Its totient is φ = 105022243656.

The previous prime is 157533365489. The next prime is 157533365579. The reversal of 157533365511 is 115563335751.

157533365511 is a `hidden beast` number, since 1 + 5 + 7 + 533 + 3 + 65 + 51 + 1 = 666.

It is not a de Polignac number, because 157533365511 - 2⁶ = 157533365447 is a prime.

It is a super-2 number, since 2×157533365511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157533361511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917284520 + ... + 2917284573.

It is an arithmetic number, because the mean of its divisors is an integer number (29172845470).

Almost surely, 2^157533365511 is an apocalyptic number.

157533365511 is a deficient number, since it is larger than the sum of its proper divisors (75849398249).

157533365511 is an equidigital number, since it uses as much as digits as its factorization.

157533365511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834569102 (or 5834569096 counting only the distinct ones).

The product of its digits is 708750, while the sum is 45.

The spelling of 157533365511 in words is "one hundred fifty-seven billion, five hundred thirty-three million, three hundred sixty-five thousand, five hundred eleven".