11172370137261 has 8 divisors (see below), whose sum is σ = 14896897943424. Its totient is φ = 7448044544640.

The previous prime is 11172370137259. The next prime is 11172370137263. The reversal of 11172370137261 is 16273107327111.

It is an interprime number because it is at equal distance from previous prime (11172370137259) and next prime (11172370137263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11172370137261 - 2¹ = 11172370137259 is a prime.

It is a super-2 number, since 2×11172370137261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172370137263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50424420 + ... + 50645501.

It is an arithmetic number, because the mean of its divisors is an integer number (1862112242928).

Almost surely, 2^{11172370137261} is an apocalyptic number.

It is an amenable number.

11172370137261 is a deficient number, since it is larger than the sum of its proper divisors (3724527806163).

11172370137261 is a wasteful number, since it uses less digits than its factorization.

11172370137261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101106771.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 11172370137261 in words is "eleven trillion, one hundred seventy-two billion, three hundred seventy million, one hundred thirty-seven thousand, two hundred sixty-one".