155132504412 has 24 divisors (see below), whose sum is σ = 383268540816. Its totient is φ = 48669020928.

The previous prime is 155132504363. The next prime is 155132504413. The reversal of 155132504412 is 214405231551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132504413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380226523 + ... + 380226930.

It is an arithmetic number, because the mean of its divisors is an integer number (15969522534).

Almost surely, 2^155132504412 is an apocalyptic number.

155132504412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155132504412 is an abundant number, since it is smaller than the sum of its proper divisors (228136036404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155132504412 is a wasteful number, since it uses less digits than its factorization.

155132504412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760453477 (or 760453475 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 155132504412 its reverse (214405231551), we get a palindrome (369537735963).

The spelling of 155132504412 in words is "one hundred fifty-five billion, one hundred thirty-two million, five hundred four thousand, four hundred twelve".