15212051054 has 16 divisors (see below), whose sum is σ = 24028390800. Its totient is φ = 7202899584.

The previous prime is 15212051051. The next prime is 15212051077. The reversal of 15212051054 is 45015021251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212051051) 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, 22424 + ... + 175860.

It is an arithmetic number, because the mean of its divisors is an integer number (1501774425).

Almost surely, 2^15212051054 is an apocalyptic number.

15212051054 is a deficient number, since it is larger than the sum of its proper divisors (8816339746).

15212051054 is a wasteful number, since it uses less digits than its factorization.

15212051054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156067.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 15212051054 in words is "fifteen billion, two hundred twelve million, fifty-one thousand, fifty-four".