15061051551 has 24 divisors (see below), whose sum is σ = 25156924464. Its totient is φ = 7944289920.

The previous prime is 15061051549. The next prime is 15061051573. The reversal of 15061051551 is 15515016051.

It is not a de Polignac number, because 15061051551 - 2¹ = 15061051549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15061051531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3938710 + ... + 3942531.

It is an arithmetic number, because the mean of its divisors is an integer number (1048205186).

Almost surely, 2^15061051551 is an apocalyptic number.

15061051551 is a deficient number, since it is larger than the sum of its proper divisors (10095872913).

15061051551 is a wasteful number, since it uses less digits than its factorization.

15061051551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881271 (or 7881264 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 15061051551 in words is "fifteen billion, sixty-one million, fifty-one thousand, five hundred fifty-one".