11367772542 has 96 divisors (see below), whose sum is σ = 30235296000. Its totient is φ = 3076959312.

The previous prime is 11367772501. The next prime is 11367772543. The reversal of 11367772542 is 24527776311.

11367772542 is a `hidden beast` number, since 1 + 1 + 36 + 7 + 7 + 72 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11367772543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68853 + ... + 165759.

It is an arithmetic number, because the mean of its divisors is an integer number (314951000).

Almost surely, 2^11367772542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11367772542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15117648000).

11367772542 is an abundant number, since it is smaller than the sum of its proper divisors (18867523458).

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

11367772542 is a wasteful number, since it uses less digits than its factorization.

11367772542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96955 (or 96938 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The spelling of 11367772542 in words is "eleven billion, three hundred sixty-seven million, seven hundred seventy-two thousand, five hundred forty-two".