15250025252640 has 48 divisors (see below), whose sum is σ = 48037579547328. Its totient is φ = 4066673400576.

The previous prime is 15250025252629. The next prime is 15250025252681. The reversal of 15250025252640 is 4625252005251.

15250025252640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×15250025252640³ (a number of 41 digits) contains 333 as substring.

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, 15885442492 + ... + 15885443451.

It is an arithmetic number, because the mean of its divisors is an integer number (1000782907236).

Almost surely, 2^{15250025252640} is an apocalyptic number.

15250025252640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15250025252640 is an abundant number, since it is smaller than the sum of its proper divisors (32787554294688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15250025252640 is a wasteful number, since it uses less digits than its factorization.

15250025252640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31770885961 (or 31770885953 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 15250025252640 its reverse (4625252005251), we get a palindrome (19875277257891).

The spelling of 15250025252640 in words is "fifteen trillion, two hundred fifty billion, twenty-five million, two hundred fifty-two thousand, six hundred forty".