1372137555601 has 4 divisors (see below), whose sum is σ = 1395394124400. Its totient is φ = 1348880986804.

The previous prime is 1372137555599. The next prime is 1372137555631. The reversal of 1372137555601 is 1065557312731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1372137555601 - 2¹ = 1372137555599 is a prime.

It is a super-2 number, since 2×1372137555601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372137555631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11628284311 + ... + 11628284428.

It is an arithmetic number, because the mean of its divisors is an integer number (348848531100).

Almost surely, 2^{1372137555601} is an apocalyptic number.

It is an amenable number.

1372137555601 is a deficient number, since it is larger than the sum of its proper divisors (23256568799).

1372137555601 is an equidigital number, since it uses as much as digits as its factorization.

1372137555601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23256568798.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 1372137555601 in words is "one trillion, three hundred seventy-two billion, one hundred thirty-seven million, five hundred fifty-five thousand, six hundred one".