11611423437 has 16 divisors (see below), whose sum is σ = 15663267840. Its totient is φ = 7650729072.

The previous prime is 11611423423. The next prime is 11611423441. The reversal of 11611423437 is 73432411611.

It is not a de Polignac number, because 11611423437 - 2¹² = 11611419341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11611423398 and 11611423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611423237) 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, 42264 + ... + 158142.

It is an arithmetic number, because the mean of its divisors is an integer number (978954240).

Almost surely, 2^11611423437 is an apocalyptic number.

It is an amenable number.

11611423437 is a deficient number, since it is larger than the sum of its proper divisors (4051844403).

11611423437 is a wasteful number, since it uses less digits than its factorization.

11611423437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116272.

The product of its digits is 12096, while the sum is 33.

The spelling of 11611423437 in words is "eleven billion, six hundred eleven million, four hundred twenty-three thousand, four hundred thirty-seven".