10971558480 has 40 divisors (see below), whose sum is σ = 34011832032. Its totient is φ = 2925748864.

The previous prime is 10971558469. The next prime is 10971558491. The reversal of 10971558480 is 8485517901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10971558469) and next prime (10971558491).

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

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 15.

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, 22857174 + ... + 22857653.

Almost surely, 2^10971558480 is an apocalyptic number.

10971558480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10971558480 is an abundant number, since it is smaller than the sum of its proper divisors (23040273552).

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

10971558480 is a wasteful number, since it uses less digits than its factorization.

10971558480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45714843 (or 45714837 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 10971558480 in words is "ten billion, nine hundred seventy-one million, five hundred fifty-eight thousand, four hundred eighty".