32156113501 has 2 divisors, whose sum is σ = 32156113502. Its totient is φ = 32156113500.

The previous prime is 32156113463. The next prime is 32156113523. The reversal of 32156113501 is 10531165123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29258444601 + 2897668900 = 171051^2 + 53830^2 .

It is a cyclic number.

It is not a de Polignac number, because 32156113501 - 2⁷ = 32156113373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32156113501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32156113541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078056750 + 16078056751.

It is an arithmetic number, because the mean of its divisors is an integer number (16078056751).

Almost surely, 2^32156113501 is an apocalyptic number.

It is an amenable number.

32156113501 is a deficient number, since it is larger than the sum of its proper divisors (1).

32156113501 is an equidigital number, since it uses as much as digits as its factorization.

32156113501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 32156113501 its reverse (10531165123), we get a palindrome (42687278624).

The spelling of 32156113501 in words is "thirty-two billion, one hundred fifty-six million, one hundred thirteen thousand, five hundred one".