155010401551 has 16 divisors (see below), whose sum is σ = 157461470208. Its totient is φ = 152579968000.

The previous prime is 155010401549. The next prime is 155010401639. The reversal of 155010401551 is 155104010551.

It is a cyclic number.

It is not a de Polignac number, because 155010401551 - 2¹ = 155010401549 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 (155010401501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12256191 + ... + 12268831.

It is an arithmetic number, because the mean of its divisors is an integer number (9841341888).

Almost surely, 2^155010401551 is an apocalyptic number.

155010401551 is a deficient number, since it is larger than the sum of its proper divisors (2451068657).

155010401551 is a wasteful number, since it uses less digits than its factorization.

155010401551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 155010401551 in words is "one hundred fifty-five billion, ten million, four hundred one thousand, five hundred fifty-one".