32120157642735 has 16 divisors (see below), whose sum is σ = 51719591418336. Its totient is φ = 17021637679488.

The previous prime is 32120157642733. The next prime is 32120157642743. The reversal of 32120157642735 is 53724675102123.

It is not a de Polignac number, because 32120157642735 - 2¹ = 32120157642733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120157642733) 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, 6819564024 + ... + 6819568733.

It is an arithmetic number, because the mean of its divisors is an integer number (3232474463646).

Almost surely, 2^{32120157642735} is an apocalyptic number.

32120157642735 is a deficient number, since it is larger than the sum of its proper divisors (19599433775601).

32120157642735 is a wasteful number, since it uses less digits than its factorization.

32120157642735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13639132922.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 32120157642735 in words is "thirty-two trillion, one hundred twenty billion, one hundred fifty-seven million, six hundred forty-two thousand, seven hundred thirty-five".