155654232151 has 24 divisors (see below), whose sum is σ = 180675310896. Its totient is φ = 132962565120.

The previous prime is 155654232137. The next prime is 155654232179. The reversal of 155654232151 is 151232456551.

It is not a de Polignac number, because 155654232151 - 2⁵ = 155654232119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155654232121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921765 + ... + 2001121.

It is an arithmetic number, because the mean of its divisors is an integer number (7528137954).

Almost surely, 2^155654232151 is an apocalyptic number.

155654232151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155654232151 is a deficient number, since it is larger than the sum of its proper divisors (25021078745).

155654232151 is a wasteful number, since it uses less digits than its factorization.

155654232151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80019 (or 80002 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The spelling of 155654232151 in words is "one hundred fifty-five billion, six hundred fifty-four million, two hundred thirty-two thousand, one hundred fifty-one".