25511150480 has 40 divisors (see below), whose sum is σ = 60198712512. Its totient is φ = 10052152704.

The previous prime is 25511150477. The next prime is 25511150507. The reversal of 25511150480 is 8405111552.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2374412 + ... + 2385131.

Almost surely, 2^25511150480 is an apocalyptic number.

25511150480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25511150480 is an abundant number, since it is smaller than the sum of its proper divisors (34687562032).

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

25511150480 is a wasteful number, since it uses less digits than its factorization.

25511150480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759623 (or 4759617 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 25511150480 in words is "twenty-five billion, five hundred eleven million, one hundred fifty thousand, four hundred eighty".