151366405091 has 32 divisors (see below), whose sum is σ = 172991594496. Its totient is φ = 131196672000.

The previous prime is 151366405079. The next prime is 151366405093. The reversal of 151366405091 is 190504663151.

It is a cyclic number.

It is not a de Polignac number, because 151366405091 - 2⁶ = 151366405027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151366405093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7365911 + ... + 7386431.

It is an arithmetic number, because the mean of its divisors is an integer number (5405987328).

Almost surely, 2^151366405091 is an apocalyptic number.

151366405091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151366405091 is a deficient number, since it is larger than the sum of its proper divisors (21625189405).

151366405091 is a wasteful number, since it uses less digits than its factorization.

151366405091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20883.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 151366405091 in words is "one hundred fifty-one billion, three hundred sixty-six million, four hundred five thousand, ninety-one".