151951355091 has 12 divisors (see below), whose sum is σ = 222761191432. Its totient is φ = 99788949216.

The previous prime is 151951355089. The next prime is 151951355099. The reversal of 151951355091 is 190553159151.

151951355091 is a `hidden beast` number, since 1 + 5 + 1 + 9 + 5 + 1 + 3 + 550 + 91 = 666.

It is not a de Polignac number, because 151951355091 - 2¹ = 151951355089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151951355099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125995546 + ... + 125996751.

Almost surely, 2^151951355091 is an apocalyptic number.

151951355091 is a deficient number, since it is larger than the sum of its proper divisors (70809836341).

151951355091 is a wasteful number, since it uses less digits than its factorization.

151951355091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251992370 (or 251992367 counting only the distinct ones).

The product of its (nonzero) digits is 151875, while the sum is 45.

The spelling of 151951355091 in words is "one hundred fifty-one billion, nine hundred fifty-one million, three hundred fifty-five thousand, ninety-one".