155290765005 has 16 divisors (see below), whose sum is σ = 276072471360. Its totient is φ = 82821741264.

The previous prime is 155290764991. The next prime is 155290765051. The reversal of 155290765005 is 500567092551.

155290765005 is a `hidden beast` number, since 1 + 5 + 52 + 90 + 7 + 6 + 500 + 5 = 666.

It is not a de Polignac number, because 155290765005 - 2¹⁴ = 155290748621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575150847 + ... + 575151116.

It is an arithmetic number, because the mean of its divisors is an integer number (17254529460).

Almost surely, 2^155290765005 is an apocalyptic number.

155290765005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155290765005 is a deficient number, since it is larger than the sum of its proper divisors (120781706355).

155290765005 is a wasteful number, since it uses less digits than its factorization.

155290765005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150301977 (or 1150301971 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 155290765005 in words is "one hundred fifty-five billion, two hundred ninety million, seven hundred sixty-five thousand, five".