15140012750 has 16 divisors (see below), whose sum is σ = 28342104336. Its totient is φ = 6056005000.

The previous prime is 15140012747. The next prime is 15140012761. The reversal of 15140012750 is 5721004151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30279776 + ... + 30280275.

It is an arithmetic number, because the mean of its divisors is an integer number (1771381521).

Almost surely, 2^15140012750 is an apocalyptic number.

15140012750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15140012750 is a deficient number, since it is larger than the sum of its proper divisors (13202091586).

15140012750 is an equidigital number, since it uses as much as digits as its factorization.

15140012750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60560068 (or 60560058 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 15140012750 in words is "fifteen billion, one hundred forty million, twelve thousand, seven hundred fifty".