11251500101 has 4 divisors (see below), whose sum is σ = 11257204812. Its totient is φ = 11245795392.

The previous prime is 11251500097. The next prime is 11251500109. The reversal of 11251500101 is 10100515211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10100515211 = 347 ⋅29108113.

It can be written as a sum of positive squares in 2 ways, for example, as 2088033025 + 9163467076 = 45695^2 + 95726^2 .

It is a cyclic number.

It is not a de Polignac number, because 11251500101 - 2² = 11251500097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11251500101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251500109) 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, 2849396 + ... + 2853341.

It is an arithmetic number, because the mean of its divisors is an integer number (2814301203).

Almost surely, 2^11251500101 is an apocalyptic number.

It is an amenable number.

11251500101 is a deficient number, since it is larger than the sum of its proper divisors (5704711).

11251500101 is an equidigital number, since it uses as much as digits as its factorization.

11251500101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704710.

The product of its (nonzero) digits is 50, while the sum is 17.

The spelling of 11251500101 in words is "eleven billion, two hundred fifty-one million, five hundred thousand, one hundred one".