155511412000 has 96 divisors (see below), whose sum is σ = 436676123520. Its totient is φ = 53318188800.

The previous prime is 155511411977. The next prime is 155511412013. The reversal of 155511412000 is 214115551.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 2748990 + ... + 2804989.

It is an arithmetic number, because the mean of its divisors is an integer number (4548709620).

Almost surely, 2^155511412000 is an apocalyptic number.

155511412000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155511412000 is an abundant number, since it is smaller than the sum of its proper divisors (281164711520).

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

155511412000 is an equidigital number, since it uses as much as digits as its factorization.

155511412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554011 (or 5553993 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 155511412000 its reverse (214115551), we get a palindrome (155725527551).

The spelling of 155511412000 in words is "one hundred fifty-five billion, five hundred eleven million, four hundred twelve thousand".