155651651051 has 8 divisors (see below), whose sum is σ = 169644432720. Its totient is φ = 141947380512.

The previous prime is 155651651017. The next prime is 155651651101. The reversal of 155651651051 is 150156156551.

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 155651651051 - 2¹⁰ = 155651650027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155651653051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72126656 + ... + 72128813.

It is an arithmetic number, because the mean of its divisors is an integer number (21205554090).

Almost surely, 2^155651651051 is an apocalyptic number.

155651651051 is a deficient number, since it is larger than the sum of its proper divisors (13992781669).

155651651051 is a wasteful number, since it uses less digits than its factorization.

155651651051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144255565.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 155651651051 in words is "one hundred fifty-five billion, six hundred fifty-one million, six hundred fifty-one thousand, fifty-one".