1201471537880 has 64 divisors (see below), whose sum is σ = 2727464192640. Its totient is φ = 476306102272.

The previous prime is 1201471537879. The next prime is 1201471537883. The reversal of 1201471537880 is 887351741021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201471537883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3203489 + ... + 3558831.

It is an arithmetic number, because the mean of its divisors is an integer number (42616628010).

Almost surely, 2^{1201471537880} is an apocalyptic number.

1201471537880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201471537880 is an abundant number, since it is smaller than the sum of its proper divisors (1525992654760).

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

1201471537880 is a wasteful number, since it uses less digits than its factorization.

1201471537880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356108 (or 356104 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 1201471537880 in words is "one trillion, two hundred one billion, four hundred seventy-one million, five hundred thirty-seven thousand, eight hundred eighty".