15250640256435 has 16 divisors (see below), whose sum is σ = 24402342333600. Its totient is φ = 8133235495680.

The previous prime is 15250640256317. The next prime is 15250640256457. The reversal of 15250640256435 is 53465204605251.

It is not a de Polignac number, because 15250640256435 - 2⁹ = 15250640255923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27169660 + ... + 27725289.

It is an arithmetic number, because the mean of its divisors is an integer number (1525146395850).

Almost surely, 2^{15250640256435} is an apocalyptic number.

15250640256435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15250640256435 is a deficient number, since it is larger than the sum of its proper divisors (9151702077165).

15250640256435 is a wasteful number, since it uses less digits than its factorization.

15250640256435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54913478.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 15250640256435 in words is "fifteen trillion, two hundred fifty billion, six hundred forty million, two hundred fifty-six thousand, four hundred thirty-five".