155580035451 has 64 divisors (see below), whose sum is σ = 229544534016. Its totient is φ = 93477196800.

The previous prime is 155580035431. The next prime is 155580035453. The reversal of 155580035451 is 154530085551.

It is not a de Polignac number, because 155580035451 - 2⁵ = 155580035419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155580035453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7466890 + ... + 7487696.

It is an arithmetic number, because the mean of its divisors is an integer number (3586633344).

Almost surely, 2^155580035451 is an apocalyptic number.

155580035451 is a deficient number, since it is larger than the sum of its proper divisors (73964498565).

155580035451 is a wasteful number, since it uses less digits than its factorization.

155580035451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20972.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 155580035451 in words is "one hundred fifty-five billion, five hundred eighty million, thirty-five thousand, four hundred fifty-one".