155051000013 has 32 divisors (see below), whose sum is σ = 254487453696. Its totient is φ = 81770747328.

The previous prime is 155050999981. The next prime is 155051000017. The reversal of 155051000013 is 310000150551.

It is not a de Polignac number, because 155051000013 - 2⁵ = 155050999981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155051000017) 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, 1603870 + ... + 1697792.

It is an arithmetic number, because the mean of its divisors is an integer number (7952732928).

Almost surely, 2^155051000013 is an apocalyptic number.

155051000013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155051000013 is a deficient number, since it is larger than the sum of its proper divisors (99436453683).

155051000013 is a wasteful number, since it uses less digits than its factorization.

155051000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99993.

The product of its (nonzero) digits is 375, while the sum is 21.

Adding to 155051000013 its reverse (310000150551), we get a palindrome (465051150564).

The spelling of 155051000013 in words is "one hundred fifty-five billion, fifty-one million, thirteen", and thus it is an aban number.