155102268091 has 8 divisors (see below), whose sum is σ = 156159005184. Its totient is φ = 154046814120.

The previous prime is 155102268047. The next prime is 155102268133. The reversal of 155102268091 is 190862201551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155102268091 - 2²⁵ = 155068713659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155102268791) 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, 77575 + ... + 562336.

It is an arithmetic number, because the mean of its divisors is an integer number (19519875648).

Almost surely, 2^155102268091 is an apocalyptic number.

155102268091 is a deficient number, since it is larger than the sum of its proper divisors (1056737093).

155102268091 is a wasteful number, since it uses less digits than its factorization.

155102268091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641561.

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 155102268091 in words is "one hundred fifty-five billion, one hundred two million, two hundred sixty-eight thousand, ninety-one".