11542774698 has 192 divisors, whose sum is σ = 32075654400. Its totient is φ = 3012422400.

The previous prime is 11542774643. The next prime is 11542774723. The reversal of 11542774698 is 89647724511.

11542774698 is a `hidden beast` number, since 1 + 1 + 542 + 7 + 7 + 4 + 6 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6451188 + ... + 6452976.

It is an arithmetic number, because the mean of its divisors is an integer number (167060700).

Almost surely, 2^11542774698 is an apocalyptic number.

11542774698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11542774698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16037827200).

11542774698 is an abundant number, since it is smaller than the sum of its proper divisors (20532879702).

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

11542774698 is a wasteful number, since it uses less digits than its factorization.

11542774698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1915 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 11542774698 in words is "eleven billion, five hundred forty-two million, seven hundred seventy-four thousand, six hundred ninety-eight".