15256200945 has 16 divisors (see below), whose sum is σ = 25845799680. Its totient is φ = 7658014464.

The previous prime is 15256200941. The next prime is 15256200977. The reversal of 15256200945 is 54900265251.

It is not a de Polignac number, because 15256200945 - 2² = 15256200941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15256200941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29913865 + ... + 29914374.

It is an arithmetic number, because the mean of its divisors is an integer number (1615362480).

Almost surely, 2^15256200945 is an apocalyptic number.

15256200945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15256200945 is a deficient number, since it is larger than the sum of its proper divisors (10589598735).

15256200945 is a wasteful number, since it uses less digits than its factorization.

15256200945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59828264.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 15256200945 in words is "fifteen billion, two hundred fifty-six million, two hundred thousand, nine hundred forty-five".