1147015651542 has 32 divisors (see below), whose sum is σ = 2470927240320. Its totient is φ = 353791851840.

The previous prime is 1147015651489. The next prime is 1147015651549. The reversal of 1147015651542 is 2451565107411.

It is a junction number, because it is equal to n+sod(n) for n = 1147015651494 and 1147015651503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147015651549) 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, 116989759 + ... + 116999562.

It is an arithmetic number, because the mean of its divisors is an integer number (77216476260).

Almost surely, 2^{1147015651542} is an apocalyptic number.

1147015651542 is an abundant number, since it is smaller than the sum of its proper divisors (1323911588778).

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

1147015651542 is a wasteful number, since it uses less digits than its factorization.

1147015651542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233989388.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 1147015651542 in words is "one trillion, one hundred forty-seven billion, fifteen million, six hundred fifty-one thousand, five hundred forty-two".