1551015150 has 24 divisors (see below), whose sum is σ = 3846517944. Its totient is φ = 413604000.

The previous prime is 1551015139. The next prime is 1551015197. The reversal of 1551015150 is 515101551.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1551015150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5169901 + ... + 5170200.

It is an arithmetic number, because the mean of its divisors is an integer number (160271581).

Almost surely, 2^1551015150 is an apocalyptic number.

1551015150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1551015150 is an abundant number, since it is smaller than the sum of its proper divisors (2295502794).

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

1551015150 is a wasteful number, since it uses less digits than its factorization.

1551015150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340116 (or 10340111 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1551015150 is about 39382.9296777170. The cubic root of 1551015150 is about 1157.5471232100.

The spelling of 1551015150 in words is "one billion, five hundred fifty-one million, fifteen thousand, one hundred fifty".